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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: J Acoust Soc Am. 2006 Mar;119(3):1752–1763. doi: 10.1121/1.2161432

FIG. 8.

FIG. 8

Effect of presentation level on crossover frequency. The regression functions shown were derived from fits to SII predicted scores for the CST in multiple low- and high-pass filter conditions. Predictions assume the speech and noise were shaped as in the current study for sloping high-frequency hearing loss and presented at the same SNR as used in this study( +6 dB SNR). The functions were derived assuming speech presentation levels of 65, 95, and 103 dB SPL (measured in a Zwislocki coupler), shown by the dotted, dashed, and solid lines, respectively.